/*
 * Copyright 2017-2025 Lenses.io Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.lenses.streamreactor.connect.cloud.common.config.processors

import cats.implicits.catsSyntaxEitherId

/**
 * Ensures the keys coming into the sink are all lower cased.
 */
class LowerCaseKeyConfigDefProcessor(prefix: String) extends ConfigDefProcessor {
  override def process(input: Map[String, Any]): Either[Throwable, Map[String, Any]] =
    input.map {
      case (k: String, v) if k.toLowerCase.startsWith(prefix) => (k.toLowerCase, v)
      case (k, v) => (k, v)
    }.asRight
}
